How much time would it take to hit the ground

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Reference no: EM1367334

Q. A helicopter is ascending vertically with the speed of 5.30. At a height of 100 above the Earth, a package is dropped from a window. How much time would it take to hit the ground?

Q. A sphere of radius R has a charge Q. The electric field strength at a distance r > R is Ei. What is the ratio Ef/Ei of the final to first electric field strength if Q is halved?

Reference no: EM1367334

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